<template>
<div class="login_container">
    <div class="login_box">
        <!-- 头像区域 -->
        <div class="avatar_box">
            <img src="../assets/logo.png" alt="" />
        </div>
        <!-- 登录表单区域 -->
        <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
            <!-- 用户名 -->
            <el-form-item prop="username">
                <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user"></el-input>
            </el-form-item>
            <!-- 密码 -->
            <el-form-item prop="password">
                <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" type="password"></el-input>
            </el-form-item>
            <!-- 按钮区域 -->
            <el-form-item class="btns">
                <el-button type="primary" @click="login">登录</el-button>
                <el-button type="info" @click="resetLoginForm">重置</el-button>
                <el-button type="danger" @click="register">注册</el-button>
            </el-form-item>
        </el-form>
    </div>
    <!-- 注册的对话框 -->
    <el-dialog title="注册" :visible.sync="registerDialogVisible" width="50%" @close="registerDialogClosed">
        <!-- 添加参数的对话框 -->
        <el-form :model="registerForm" :rules="registerFormRules" label-width="100px" ref="registerFormRef">
            <el-form-item label="手机号：" prop="mobile">
                <el-input v-model="registerForm.mobile"></el-input>
            </el-form-item>
            <el-form-item label="账号：" prop="username">
                <el-input v-model="registerForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码：" prop="password">
                <el-input v-model="registerForm.password"></el-input>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="registerDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="registerUser">注册</el-button>
        </span>
    </el-dialog>
</div>
</template>

<script>
export default {
    data() {
        return {
            // 这是登录表单的数据绑定对象
            loginForm: {
                username: "admin",
                password: "123123"
            },
            // 这是表单的验证规则对象
            loginFormRules: {
                // 验证用户名是否合法
                username: [{
                        required: true,
                        message: "请输入登录名称",
                        trigger: "blur"
                    },
                    {
                        min: 3,
                        max: 10,
                        message: "长度在 3 到 10 个字符",
                        trigger: "blur"
                    }
                ],
                // 验证密码是否合法
                password: [{
                        required: true,
                        message: "请输入登录密码",
                        trigger: "blur"
                    },
                    {
                        min: 6,
                        max: 15,
                        message: "长度在 6 到 15 个字符",
                        trigger: "blur"
                    }
                ]
            },
            registerFormRules: {
                mobile: [{
                        required: true,
                        message: "请输入手机号",
                        trigger: "blur"
                    },
                    {
                        min: 10,
                        max: 12,
                        message: "长度在 10 到 12 个字符",
                        trigger: "blur"
                    }
                ],
                username: [{
                        required: true,
                        message: "请输入登录名称",
                        trigger: "blur"
                    },
                    {
                        min: 3,
                        max: 10,
                        message: "长度在 3 到 10 个字符",
                        trigger: "blur"
                    }
                ],
                // 验证密码是否合法
                password: [{
                        required: true,
                        message: "请输入登录密码",
                        trigger: "blur"
                    },
                    {
                        min: 6,
                        max: 15,
                        message: "长度在 6 到 15 个字符",
                        trigger: "blur"
                    }
                ]
            },
            registerDialogVisible: false,
            registerForm: {
                mobile: "",
                username: "",
                password: ""
            }
        };
    },
    methods: {
        // 点击重置按钮，重置登录表单
        resetLoginForm() {
            // console.log(this);
            this.$refs.loginFormRef.resetFields();
        },
        login() {
            this.$refs.loginFormRef.validate(async valid => {
                if (!valid) return;
                const {
                    data: res
                } = await this.$http.post("/login", this.loginForm);
                if (res.status !== 200)
                    return this.$message.error("登录失败!密码或账号错误！");
                this.$message.success("登录成功");
                this.$router.push("/home");
            });
        },
        register() {
            this.registerDialogVisible = true;
        },
        registerDialogClosed() {
            this.$refs.registerFormRef.resetFields();
        },
        registerUser() {
            this.$refs.registerFormRef.validate(async valid => {
                if (!valid) return;
                const {
                    data: res
                } = await this.$http.post(
                    "/register",
                    this.registerForm
                );
                if (res.status !== 200) {
                    return this.$message.error("注册失败,( ′◔ ‸◔`)有此账户!");
                }
                this.$message.success("注册成功！");
                this.registerDialogVisible = false;
            });
        }
    }
};
</script>

<style lang="less" scoped>
.login_container {
    background-image: url("../assets/welcom0.png");
    height: 100%;
}

.login_box {
    width: 450px;
    height: 300px;
    background-color: rgba(82, 245, 223, 0.561);
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box {
        height: 130px;
        width: 130px;
        border: 2px solid #eee;
        border-radius: 50%;
        padding: 10px;
        box-shadow: 0 0 20px rgb(33, 231, 59);
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        background-color: #fff;

        img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eee;
        }
    }
}

.login_form {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}

.btns {
    display: flex;
    justify-content: flex-end;
}
</style>
